4 years ago

The ratio of the side lengths of a quadrilateral is2:3:5:6, and its perimeter is 48 cm. what is the length of the longest side

Mathematics

1 answer:

inessss [21]4 years ago

3 0

6 times 8 is 48 and don't be lake

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Part of the proceeds from a garage sale was $470 worth of $10 and $20 bills. If there were 14 more $10 bills than $20 bills, fin

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There are 25 $10 bills and 11 $20 bills.

Step-by-step explanation:

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y be the number of $20 bills.

According to given situation;

10x+20y=470 Eqn 1

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Putting value of x from Eqn 2 in Eqn 1

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Keywords: linear equation, substitution method

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